.w-left {
  width: 375px;
  height: 824.5px;
  background: url(../images/banner.5b1efcd8.jpg);
  background-size: cover;
  float: left;
}
.w-right {
  width: 100%;
  margin-left: 377px;
  height: 824.5px;
  float: left;
  background-color: aqua;
}
